ch_platform: Fix hypervisor setting

Libvirt versions greater than 10.2.0, define domain as 'hyperv' or 'kvm'
based on the underlying hypervisor. Set this domain appropriately in
domain's XML after checking libvirt version.

Signed-off-by: Praveen K Paladugu <[email protected]>

lisa/sut_orchestrator/libvirt/ch_platform.py

@@ -6,6 +6,7 @@
 import secrets
 import xml.etree.ElementTree as ET  # noqa: N817
 from pathlib import Path
+from packaging.version import parse
 from typing import List, Type
 
 from lisa import schema
@@ -18,8 +19,9 @@
     get_node_context,
 )
 from lisa.sut_orchestrator.libvirt.platform import BaseLibvirtPlatform
-from lisa.tools import QemuImg
+from lisa.tools import QemuImg, Ls
 from lisa.util.logger import Logger, filter_ansi_escape
+from lisa.util import LisaException
 
 from .. import CLOUD_HYPERVISOR
 from .console_logger import QemuConsoleLogger
@@ -101,7 +103,19 @@ def _create_node_domain_xml(
         node_context = get_node_context(node)
 
         domain = ET.Element("domain")
-        domain.attrib["type"] = "ch"
+
+        libvirt_version = self._get_libvirt_version()
+        if parse(libvirt_version) > parse("10.0.2"):
+            if self.host_node.tools[Ls].path_exists("/dev/mshv", sudo=True):
+                domain.attrib["type"] = "hyperv"
+            elif self.host_node.tools[Ls].path_exists("/dev/kvm", sudo=True):
+                domain.attrib["type"] = "kvm"
+            else:
+                raise LisaException("kvm, mshv are the only supported \
+                                    hypervsiors. Both are missing on the host")
+
+        else:
+            domain.attrib["type"] = "ch"
 
         name = ET.SubElement(domain, "name")
         name.text = node_context.vm_name